/*
 Copyright (c) 2012, 2021, Oracle and/or its affiliates.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License, version 2.0,
 as published by the Free Software Foundation.

 This program is also distributed with certain software (including
 but not limited to OpenSSL) that is licensed under separate terms,
 as designated in a particular file or component or in included license
 documentation.  The authors of MySQL hereby grant you an additional
 permission to link the program and your derivative works with the
 separately licensed software that they have included with MySQL.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License, version 2.0, for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#include <ndb_global.h>
#include <util/NdbTap.hpp>

// platform-specific functions and settings
#ifdef _WIN32
#define SNPRINTF _snprintf_s
#define FILE_SEPARATOR '\\'
#define SCRIPT_FILE_SUFFIX ".cmd"
#define SCRIPT_COMMAND_SEPARATOR "&&"
#else
#define system system
#define SNPRINTF snprintf
#define FILE_SEPARATOR '/'
#define SCRIPT_FILE_SUFFIX ".sh"
#define SCRIPT_COMMAND_SEPARATOR ";"
#endif

/**
 * Runs a test script located in subdirectory.
 */
void run_test_script(const char * this_dir,
                     const char * test_name)
{
    assert(this_dir);
    assert(test_name);

    // directory, name, path of test script to run
    const int path_max = 1024; // FILENAME_MAX is ISO-C but may be huge
    char script_dir[path_max];
    char script_name[path_max];
    char script_path[path_max];
    SNPRINTF(script_dir, sizeof(script_dir), "%s%c%s",
             this_dir, FILE_SEPARATOR, test_name);
    SNPRINTF(script_name, sizeof(script_name), "test_%s" SCRIPT_FILE_SUFFIX,
             test_name);
    SNPRINTF(script_path, sizeof(script_path), "%s%c%s",
             script_dir, FILE_SEPARATOR, script_name);
    //printf("script_dir='%s'\n", script_dir);
    //printf("script_name='%s'\n", script_name);
    //printf("script_path='%s'\n", script_path);

    // try to locate script; also try from this dir's parent dir as
    // multi-config builds may place binaries in a config subdirectory
    char parent_dir[path_max];
    const char * bin_dir = "."; // subdir for binaries
    FILE * script = fopen(script_path, "r");
    if (!script) {
        printf("\nnot found test script at '%s'\n", script_path);

        // re-root script dir and path
        SNPRINTF(parent_dir, sizeof(parent_dir), "%s", this_dir);
        char * sep = strrchr(parent_dir, FILE_SEPARATOR);
        if (sep != NULL) {
            *sep = '\0';
            bin_dir = sep+1;
        }
        SNPRINTF(script_dir, sizeof(script_dir), "%s%c%s",
                 parent_dir, FILE_SEPARATOR, test_name);
        SNPRINTF(script_path, sizeof(script_path), "%s%c%s",
                 script_dir, FILE_SEPARATOR, script_name);
        //printf("parent_dir='%s'\n", parent_dir);
        //printf("script_dir='%s'\n", script_dir);
        //printf("script_path='%s'\n", script_path);

        // try re-rooted path
        script = fopen(script_path, "r");
        if (!script) {
            printf("also not found test script at '%s'\n", script_path);
            // TAP: skip tests (args: count, non-null format string)
            skip(1, "missing script for subtest '%s'", test_name);
            fflush(stdout);
            fflush(stderr);
            return;
        }
    }
    fclose(script);
    printf("\nfound test script at '%s'\n", script_path);
    //printf("bin_dir='%s'\n", bin_dir);

    // run the test script with exit status (using ISO-C's system() call)
    printf("\nTEST: %s\n", test_name);
    char script_cmd[3 * path_max];
    SNPRINTF(script_cmd, sizeof(script_cmd), "cd %s %s .%c%s %s",
             script_dir, SCRIPT_COMMAND_SEPARATOR,
             FILE_SEPARATOR, script_name, bin_dir);
    //printf("script_cmd='%s'\n", script_cmd);
    printf(">>> running '%s'\n", script_cmd);
    fflush(stdout); // system() requires all open streams to be flushed
    fflush(stderr);
    int status = system(script_cmd);
    fflush(stdout);
    fflush(stderr);
    printf("<<< exit status == %d\n", status);
    if (status) {
        fprintf(stderr,
                "------------------------------------------------------------\n"
                "ERROR: failed subtest %s, exit status=%d\n"
                "------------------------------------------------------------\n",
                test_name, status);
    }

    // TAP: report test result (args: passed, non-null format string)
    ok(status == 0, "jtie subtest: %s", test_name);
    fflush(stdout);
    fflush(stderr);
}

int main(int argc, char **argv)
{
    // extract the path and file name by which this program is being called
    // to locate and run the platform test scripts in the subdirectories;
    // convert any forward slashes as when called from perl (even on win).
    for (char * c = *argv; *c != '\0'; c++)
        if (*c == '/') *c = FILE_SEPARATOR;
    const char * this_dir = *argv;
    const char * this_name = *argv;
    char * sep = strrchr(*argv, FILE_SEPARATOR);
    if (sep == NULL) {
        this_dir = ".";
    } else {
        *sep = '\0';
        this_name = sep+1;
    }
    //printf("this_dir='%s'\n", this_dir);
    //printf("this_name='%s'\n", this_name);
    assert(this_dir);
    assert(this_name);

    // TAP: print number of tests to run
    plan(3);

    // run tests
    run_test_script(this_dir, "myapi");
    run_test_script(this_dir, "myjapi");
    // TAP: configured by MYTAP_CONFIG environment var
    // XXX for initial testing: run all
    //if (skip_big_tests) {
    if (false) {
        printf("\n");
        skip(1, "big subtest unload");
    } else {
        run_test_script(this_dir, "unload");
    }

    // TAP: print summary report and return exit status
    return exit_status();
}
